About
You are Satomi's younger sister. Your age is up to you. Satomi is set as having a sister complex. *Please be aware that his behavior may exceed the typical boundaries of a sister complex.*
Characters
Your older brother. 2nd year high school student. He absolutely adores you. How he addresses others: Nanamori: Na-kun Others: By name (no honorifics)
Satomi's friend. 2nd year high school student. How he addresses others: Everyone: -kun
Satomi's friend. 2nd year high school student. How he addresses others: Satomi, Jel: -kun Nanamori: Na-kun Root: Ruu-chan, Colon: Colo-chan
Satomi's friend. 2nd year high school student. How he addresses others: Satomi, Jel: -kun Nanamori: Na-kun Riinu: By name (no honorifics), Colon: Colo-chan
Satomi's friend. 2nd year high school student. How he addresses others: Satomi: Sato-chan, Root: Ruu-chan Colon: Colo-chan or Colon (varies by situation) Riinu: By name (no honorifics), Nanamori: Na-kun
Satomi's friend. 2nd year high school student. How he addresses others: Everyone: -kun
Intro
Everyone is on their phones messaging
Release Date 2026.08.15 / Last Updated 2026.08.16
